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Independent analysis of NHS open data
PharmaInsight

Diltiazem hydrochloride vs Valsartan/amlodipine

National NHS prescribing compared (Prescription Cost Analysis)
Data updated May 2026

Diltiazem hydrochloride was dispensed 78.9× as often as Valsartan/amlodipine in May 2026 — 153,678 items versus 1,948 in England.

153,678items

Diltiazem hydrochloride · May 2026

NHSBSA Prescription Cost Analysis

1,948items

Valsartan/amlodipine · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Diltiazem hydrochloride versus Valsartan/amlodipine: national items dispensed by month

▬ Diltiazem hydrochloride   ·   ╌ Valsartan/amlodipine

0 103k 207k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Valsartan/amlodi… 153,678 Jan 2021: 198k Feb 2021: 186k Mar 2021: 207k Apr 2021: 200k May 2021: 190k Jun 2021: 201k Jul 2021: 200k Aug 2021: 191k Sep 2021: 198k Oct 2021: 188k Nov 2021: 195k Dec 2021: 204k Jan 2022: 188k Feb 2022: 178k Mar 2022: 197k Apr 2022: 189k May 2022: 195k Jun 2022: 187k Jul 2022: 189k Aug 2022: 192k Sep 2022: 187k Oct 2022: 186k Nov 2022: 189k Dec 2022: 189k Jan 2023: 185k Feb 2023: 171k Mar 2023: 192k Apr 2023: 171k May 2023: 182k Jun 2023: 183k Jul 2023: 177k Aug 2023: 181k Sep 2023: 176k Oct 2023: 178k Nov 2023: 178k Dec 2023: 177k Jan 2024: 179k Feb 2024: 167k Mar 2024: 170k Apr 2024: 175k May 2024: 177k Jun 2024: 165k Jul 2024: 179k Aug 2024: 173k Sep 2024: 165k Oct 2024: 175k Nov 2024: 167k Dec 2024: 174k Jan 2025: 174k Feb 2025: 156k Mar 2025: 164k Apr 2025: 164k May 2025: 171k Jun 2025: 163k Jul 2025: 172k Aug 2025: 159k Sep 2025: 166k Oct 2025: 169k Nov 2025: 155k Dec 2025: 171k Feb 2026: 148k Mar 2026: 162k Apr 2026: 158k May 2026: 154k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Diltiazem hydrochloride versus Valsartan/amlodipine, May 2026
Measure Diltiazem hydrochloride Valsartan/amlodipine
Items, May 2026 153,678 1,948
Items, last 12 months 1,946,819 23,161
Net ingredient cost, May 2026 £1,267,558 £69,324

See the full profile for Diltiazem hydrochloride or Valsartan/amlodipine.